Towards an Ultrasonic Guided Wave Procedure for Health Monitoring of Composite Vessels: Application to
Slah Yaacoubi1, Peter McKeon2, Weina Ke3
1Institut de Soudure, 4 Bvd Henri Becquerel, Espace Cormontaigne, 57970 Yutz, France. s.yaacoubi@isgroupe.com.
Abstract:
This paper presents an overview and description of the approach to be used to investigate the behavior and the defect sensitivity of various ultrasonic guided wave (UGW) modes propagating specifically in composite cylindrical vessels in the framework of the safety of hydrogen energy transportation such as hydrogen-powered aircrafts. These structures which consist of thick and multi-layer composites are envisioned for housing hydrogen gas at high pressures. Due to safety concerns associated with a weakened structure, structural health monitoring techniques are needed. A procedure for optimizing damage detection in these structural types is presented. It is shown that a finite element method can help identify useful experimental parameters including frequency range, excitation type, and receiver placement.
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